213175211 has 2 divisors, whose sum is σ = 213175212. Its totient is φ = 213175210.

The previous prime is 213175177. The next prime is 213175213. The reversal of 213175211 is 112571312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213175211 - 2¹⁸ = 212913067 is a prime.

It is a Sophie Germain prime.

Together with 213175213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213175213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106587605 + 106587606.

It is an arithmetic number, because the mean of its divisors is an integer number (106587606).

Almost surely, 2^213175211 is an apocalyptic number.

213175211 is a deficient number, since it is larger than the sum of its proper divisors (1).

213175211 is an equidigital number, since it uses as much as digits as its factorization.

213175211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 23.

The square root of 213175211 is about 14600.5209153646. The cubic root of 213175211 is about 597.3729692658.

The spelling of 213175211 in words is "two hundred thirteen million, one hundred seventy-five thousand, two hundred eleven".